voidly

Internet censorship in Cuba

Cuba (CU) · · Atom

2
Censorship Score
Level
free
Risk Tier
T2High
Trend
− stable
Global Rank
#75
Incidents
—

Overview

Cuba restricts internet access with limited connectivity and filtering of independent media.

Evidence provenance

No evidence records attached to this country yet. Once probes or upstream alerts fire, attribution appears here.

7-Day Risk Forecast

Predictive AI

Machine learning prediction of censorship risk based on historical patterns and political events. Calibrated 2026-05-20 via isotonic refit on 810 live outcomes. See drivers + similar past events →

Loading forecast...

Multi-horizon shutdown forecast — Cuba

monotonic ok
Next 1 day
36.4%
Next 7 days
64.2%
Next 30 days
95.2%

Honest scope: this is a current-regime risk signal, not a shutdown-onset predictor. It reliably flags countries already in a sustained blocking regime; on the days a new shutdown actually begins its skill is at/below chance (transition-row AUC ~0.33). Why →

ML Intelligence

Atlas models · 2026-05-21

Composite signals from Voidly Atlas's ML model suite — censorship intensity, contagion follow-risk, expected shutdown duration and behavioral peers. Model changelog →

Voidly Score
18.0/ 100
▼ 1.33 vs yesterday
How this is computed →
Expected shutdown duration
~5days
If a critical shutdown occurs · IQR ±2d
Contagion follow-risk (3d)
54%elevated
Top trigger: IN · baseline 17%
Evidence grade mix (65)
A: 10B: 52C: 2
Grading rubric →
Try-first circumvention tool
Tor · anonymity-network · 71% probe success (partial)
Full evasion table →
Behaviorally similar countries
KZ72%AZ69%QA68%

Similarity is behavioral (how a country blocks), not political.

Recent Incidents

No incidents recorded for Cuba.

ISPs in Cuba

Known blocked services

Independent newsSome social media

Recommendations

  • Use Voidly VPN
  • Enable offline content sync
  • Use mesh networking

Data

Measurements40,760
Blocked count3,636
Block rate8.9%
Last updated2026-08-13
API endpoint/data/country/CU

Protocol breakdown

40K
Web
626
Telegram
620
WhatsApp

Frequently asked questions about censorship in Cuba

Q01

Is the internet censored in Cuba?

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Voidly classifies Cuba as free (censorship score 2/100, risk tier 2: High). Cuba restricts internet access with limited connectivity and filtering of independent media.
Q02

What websites are blocked in Cuba?

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Recent measurements show blocking or interference for: Independent news, Some social media. The block-rate across all measured domains is 8.9% over 40,760 samples. Live per-domain status: https://api.voidly.ai/v1/accessibility/check?domain={domain}&country=CU.
Q03

How does Cuba's censorship compare globally?

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Cuba ranks #75 on the Voidly Global Censorship Index. The current trend is stable — no significant change in block rates.
Q04

What blocking methods are used in Cuba?

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Voidly's pipeline detects DNS poisoning, TCP-RESET, blockpage injection, TLS-RESET / SNI-based blocking, and ASN-level outages. The exact method per domain is in each evidence permalink (https://api.voidly.ai/data/incidents?country=CU). Methodology: https://voidly.ai/methodology.
Q05

How fresh is the data for Cuba?

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Voidly probes Cuba every 5 minutes from 37+ global probe nodes. Upstream OONI, IODA, and CensoredPlanet feeds refresh every 6 hours. The country snapshot was last regenerated 2026-08-13.
Q06

How can I check if a specific website is blocked in Cuba?

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Three options. (1) REST: GET https://api.voidly.ai/v1/accessibility/check?domain=twitter.com&country=CU. (2) MCP: npx @voidly/mcp-server, then call check_domain_blocked with domain="twitter.com" country="CU". (3) CLI: npx @voidly/cli check twitter.com CU. All three return current status, blocking method, and evidence permalinks.
Q07

Can I use a VPN to bypass censorship in Cuba?

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Use Voidly VPN Enable offline content sync Use mesh networking The full per-country recommendation list is on this page below.
Q08

How do I cite Voidly's data on Cuba in a paper or article?

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Use the BibTeX or RIS export at https://voidly.ai/cite/CU (also linked from the Citation section below). Permanent incident IDs (e.g., CU-2026-NNNN) are issued for every confirmed event. License: CC BY 4.0 — credit Voidly Research and link back.

Cite this data

Voidly Research. (2026). Cuba Censorship Profile. https://voidly.ai/cu

License: CC BY 4.0 — free to use with attribution.

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